N74ALS161BN データシートの表示（PDF） - Philips Electronics
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N74ALS161BN Datasheet PDF : 14 Pages
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Philips Semiconductors
4-bit binary counter
Product specification
74ALS161B/74ALS163B
AC WAVEFORMS
For all waveforms, VM = 1.3V.
The shaded areas indicate when the input is permitted to change for predictable output performance.
1/fMAX
CP
Qn, TC
VM
tw(H)
tPLH
VM
tw(L)
VM
VM
tPHL
VM
CET
TC
VM
tPLH
VM
VM
tPHL
VM
SC00088
Waveform 1. Propagation Delay for Clock Input to Output,
Clock PUlse Width, and Maximum Clock Frequency
SF00668
Waveform 2. Propagation Delay for CET to TC Output
tw(L)
MR
VM
CP
tPHL
VM
tREC
VM
Qn, TC
VM
Waveform 3. Master Reset Pulse Width,
Master Reset to Output Delay,
and Master Reset to Clock Recovery Time
SF00669
CEP
CET
CP
VM
VM
tsu(H)
th(H)
VM
VM
VM
tsu(L)
th(L)
VM
SC00089
Waveform 4. CEP and CET Setup and Hold Times
SR
VM
VM
VM
VM
tsu(L)
th(L)
tsu(H)
th(H)
CP
VM
VM
SC00090
Waveform 5. Synchronous Reset Setup and Hold Times
Dn
VM
VM
tsu
th
PE
VM
VM
VM
VM
tsu(L)
th(L)
tsu(H)
th(H)
CP
VM
VM
SC00091
Waveform 6. Data and Parallel Enable Setup and Hold Times
1991 Feb 08
9
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